Bug Fix: Window::activate was not forcing current window with input capture to release it.
Bug Fix: Window::activate was not forcing current window with input capture to release it.

arkana-fts/cegui,cbeck88/cegui-mirror,RealityFactory/CEGUI,cbeck88/cegui-mirror,RealityFactory/CEGUI,arkana-fts/cegui,RealityFactory/CEGUI,arkana-fts/cegui,RealityFactory/CEGUI,RealityFactory/CEGUI,cbeck88/cegui-mirror,arkana-fts/cegui,cbeck88/cegui-mirror,arkana-fts/cegui,cbeck88/cegui-mirror